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About this programme

3/5. When Jacko Argyle is executed for the murder of his stepmother, his family attempt to put the tragedy behind them, until a stranger provides an alibi that proves Jacko's innocence. Suspicion falls on every member of the household when it transpires that they all are much happier since the death of the matriarch. Miss Marple is conveniently on hand to solve the mystery. Geraldine McEwan stars, with Juliet Stevenson, Denis Lawson and Alison Steadman.